1 /* This file is part of the YAZ toolkit.
2 * Copyright (C) 1995-2010 Index Data
3 * See the file LICENSE for details.
7 * \brief Demonstration of Generic Frontend Server API
15 #include <yaz/backend.h>
16 #include <yaz/diagbib1.h>
17 #include <yaz/matchstr.h>
18 #include <yaz/snprintf.h>
20 static int my_search(void *handle, bend_search_rr *rr)
22 if (rr->num_bases != 1)
24 rr->errcode = YAZ_BIB1_COMBI_OF_SPECIFIED_DATABASES_UNSUPP;
27 /* Throw Database unavailable if other than Default or Slow */
28 if (!yaz_matchstr (rr->basenames[0], "Default"))
29 ; /* Default is OK in our test */
32 rr->errcode = YAZ_BIB1_DATABASE_UNAVAILABLE;
33 rr->errstring = rr->basenames[0];
37 rr->hits = 123; /* dummy hit count */
41 /* retrieval of a single record (present, and piggy back search) */
42 static int my_fetch(void *handle, bend_fetch_rr *r)
44 const Odr_oid *oid = r->request_format;
47 r->basename = "Default";
48 r->output_format = r->request_format;
50 /* if no record syntax was given assume XML */
51 if (!oid || !oid_oidcmp(oid, yaz_oid_recsyn_xml))
54 yaz_snprintf(buf, sizeof(buf), "<record>%d</record>\n", r->number);
56 r->record = odr_strdup(r->stream, buf);
57 r->len = strlen(r->record);
60 { /* only xml syntax supported . Return diagnostic */
61 char buf[OID_STR_MAX];
62 r->errcode = YAZ_BIB1_RECORD_SYNTAX_UNSUPP;
63 r->errstring = odr_strdup(r->stream, oid_oid_to_dotstring(oid, buf));
68 static bend_initresult *my_init(bend_initrequest *q)
70 bend_initresult *r = (bend_initresult *)
71 odr_malloc (q->stream, sizeof(*r));
72 int *counter = (int *) xmalloc (sizeof(int));
77 r->handle = counter; /* user handle, in this case a simple int */
78 q->bend_search = my_search; /* register search handler */
79 q->bend_fetch = my_fetch; /* register fetch handle */
80 q->query_charset = "UTF-8";
81 q->records_in_same_charset = 1;
86 static void my_close(void *handle)
88 xfree(handle); /* release our user-defined handle */
92 int main(int argc, char **argv)
94 return statserv_main(argc, argv, my_init, my_close);
99 * c-file-style: "Stroustrup"
100 * indent-tabs-mode: nil
102 * vim: shiftwidth=4 tabstop=8 expandtab